46. What is the meaning of the sentence "Don't let running out ruin your rhythm" mentioned at the end of paragraph 2? (A) Going jogging in the middle of the day may affect your mood for working. (B) If the things that you need suddenly become unavailable in your home, it will affect your day. So make sure this won't happen. (C) Your rhythm should be established before your start running and should not change halfway through the journey. (D) You should remain optimistic and hopeful even when you run out of things.